(since hash tables now adapt their size).
* modules.c (scm_modules_prehistory): Changed from 2001 to 1533
(current number of prehistory bindings; hashtable code will select
a prime which is greater than this value).
* symbols.c (scm_symbols_prehistory): Changed from 1009 to 2139
(current number of initial symbols).
* properties.c (scm_init_properties): Don't specify size of
scm_properties_whash.
* objprop.c (scm_init_objprop): Don't specify size of
scm_object_whash.
* keywords.c (scm_init_keywords): Don't specify a hash table size.